Bottle cap



FIG. 1 is a perspective view of a bottle cap in accordance with the present invention;

FIG. 2 is another perspective view thereof;

FIG. 3 is an elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The portions of the bottle cap shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a bottle cap, as shown and described. 